Needle-free injector



FIG. 1 is a top perspective view of a needle-free injector design;

FIG. 2 is a front side view of the needle-free injector shown in FIG. 1;

FIG. 3 is a rear side view of the needle-free injector shown in FIG. 1;

FIG. 4 is a right-side view of the needle-free injector shown in FIG. 1;

FIG. 5 is a left-side view of the needle-free injector shown in FIG. 1;

FIG. 6 is a top plan view of the needle-free injector shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the needle-free injector shown in FIG. 1.

The broken lines shown in the figures are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an needle-free injector, as shown and described. 